By the way, it was in July of 1994 when this X Envelope was first opened and the process of declassifying the contents started.

But it was only in the past couple of years that the specifics became known to the public.

But again, the point, is that if you were making an X-men movie set in 1973 and there was such a thing as the X Envelope that was at the heart of the biggest issue of Nixon's presidency (Watergate) wouldn't you use it is the movie?